:root {
  --paper: #f8f3ea;
  --paper-soft: #fcfaf5;
  --card: #fffdf8;
  --ink: #241913;
  --brown: #4b3324;
  --muted: #756757;
  --muted-2: #9a8c78;
  --line: rgba(72, 48, 32, .16);
  --line-strong: rgba(72, 48, 32, .28);
  --gold: #b58a3a;
  --gold-soft: #ddc48a;
  --red: #98382f;
  --green: #536545;
  --bluegray: #526171;
  --shadow: 0 18px 50px rgba(48, 32, 20, .08);
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", serif;
  --sans: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --wrap: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 0%, rgba(181, 138, 58, .13), transparent 28rem),
    linear-gradient(90deg, rgba(152, 56, 47, .028), transparent 22%, transparent 78%, rgba(83, 101, 69, .04)),
    var(--paper);
  font-family: var(--sans);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  padding-bottom: 72px;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
p { margin: 0; }
strong, b { color: var(--brown); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(248, 243, 234, .94);
  backdrop-filter: blur(14px);
}

.nav {
  width: min(100% - 28px, var(--wrap));
  min-height: 70px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}

.brand img { width: 86px; height: auto; }
.brand-home-logo {
  min-width: 96px;
  gap: 0;
}
.brand-home-logo img {
  width: auto;
  height: 42px;
  object-fit: contain;
  opacity: .88;
  filter: saturate(.86) contrast(.96);
}
.brand-title { display: grid; gap: 1px; }
.brand-title b {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: .08em;
}
.brand-title span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
  white-space: nowrap;
}

.nav-links {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--brown);
  background: rgba(181, 138, 58, .13);
}
.nav-cta {
  color: #fff9ec !important;
  background: var(--brown) !important;
}
.nav-dropdown {
  position: relative;
  flex: 0 0 auto;
}
.nav-drop {
  min-height: 38px;
  padding: 8px 10px;
  border: 0;
  border-radius: 8px;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
}
.nav-dropdown:hover .nav-drop,
.nav-dropdown:focus-within .nav-drop,
.nav-dropdown.is-current .nav-drop {
  color: var(--brown);
  background: rgba(181, 138, 58, .13);
}
.nav-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 80;
  display: none;
  min-width: 160px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(252, 250, 245, .98);
  box-shadow: var(--shadow);
}
.nav-dropdown:hover .nav-menu,
.nav-dropdown:focus-within .nav-menu {
  display: grid;
  gap: 4px;
}
.nav-menu a {
  justify-content: flex-start;
  width: 100%;
}

.product-jump {
  position: sticky;
  top: 70px;
  z-index: 42;
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding: 8px max(14px, calc((100% - var(--wrap)) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(252, 250, 245, .96);
  backdrop-filter: blur(12px);
  scrollbar-width: none;
}
.product-jump::-webkit-scrollbar { display: none; }
.product-jump span,
.product-jump a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  border-radius: 999px;
  white-space: nowrap;
}
.product-jump span {
  padding: 0 10px 0 0;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
}
.product-jump a {
  padding: 6px 12px;
  border: 1px solid var(--line);
  color: var(--brown);
  background: rgba(255, 253, 248, .84);
  font-size: 13px;
  font-weight: 800;
}
.product-jump a:hover,
.product-jump a[aria-current="page"] {
  border-color: rgba(181, 138, 58, .44);
  background: rgba(181, 138, 58, .14);
}

.wrap {
  width: min(100% - 40px, var(--wrap));
  margin: 0 auto;
}

.section {
  padding: 84px 0;
  border-top: 1px solid var(--line);
}
.section[id] { scroll-margin-top: 180px; }
.section:first-child { border-top: 0; }
.section.alt { background: rgba(255, 253, 248, .58); }
.section.deep {
  color: #fff9ec;
  background:
    radial-gradient(circle at 88% 20%, rgba(181, 138, 58, .18), transparent 24rem),
    linear-gradient(135deg, rgba(152, 56, 47, .18), transparent 42%),
    #241712;
}
.section.sea {
  background:
    linear-gradient(135deg, rgba(82, 97, 113, .12), transparent 42%),
    #f3f0e8;
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: 0;
}
h1 { font-size: clamp(34px, 5.6vw, 62px); }
h2 { font-size: clamp(26px, 4vw, 42px); }
h3 { font-size: 22px; }
h4 { font-size: 18px; }

.lead {
  max-width: 760px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 17px;
}
.deep .lead,
.deep .section-head p,
.deep .mini-card span { color: rgba(255, 249, 236, .76); }
.deep b,
.deep h2,
.deep h3 { color: #fff9ec; }

.hero {
  min-height: calc(100vh - 70px);
  display: grid;
  align-items: center;
  padding: 54px 0 72px;
}
.hero-grid,
.page-hero-grid,
.two-col,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 520px);
  gap: 38px;
  align-items: center;
}
.hero-copy { padding: 20px 0; }
.hero-media,
.feature-media,
.page-hero figure,
.gallery figure,
.product-card figure {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #efe6d6;
  box-shadow: var(--shadow);
}
.hero-media { min-height: 520px; }
.hero-media img,
.feature-media img,
.page-hero figure img,
.gallery figure img,
.product-card figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-hero {
  padding: 64px 0 52px;
}
.page-hero figure,
.feature-media { aspect-ratio: 4 / 3; }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--brown);
  border-radius: 8px;
  color: #fff9ec;
  background: var(--brown);
  font-weight: 800;
  line-height: 1.25;
}
.btn.secondary {
  color: var(--brown);
  background: transparent;
}
.deep .btn.secondary {
  color: #fff9ec;
  border-color: rgba(255, 249, 236, .45);
}

.trust-row,
.mini-grid,
.product-grid,
.knowledge-grid,
.gallery,
.compare-grid {
  display: grid;
  gap: 14px;
}
.trust-row {
  grid-template-columns: repeat(5, 1fr);
  margin-top: 28px;
}
.mini-grid { grid-template-columns: repeat(3, 1fr); margin-top: 24px; }
.product-grid { grid-template-columns: repeat(3, 1fr); }
.knowledge-grid { grid-template-columns: repeat(4, 1fr); }
.gallery { grid-template-columns: repeat(3, 1fr); }
.compare-grid { grid-template-columns: repeat(5, 1fr); }

.trust-item,
.mini-card,
.product-card,
.note,
.faq-card,
.article-card,
.info-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 253, 248, .82);
  box-shadow: 0 10px 32px rgba(48, 32, 20, .045);
}
.trust-item { padding: 14px; }
.trust-item b,
.mini-card b,
.article-card b { display: block; }
.trust-item span,
.mini-card span,
.article-card span,
.info-panel p,
.product-card p,
.faq-card p {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}
.mini-card,
.faq-card,
.article-card,
.info-panel {
  padding: 18px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 28px;
  margin-bottom: 28px;
}
.section-head p {
  max-width: 540px;
  color: var(--muted);
}

.product-card {
  overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease;
}
.product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.product-card figure { aspect-ratio: 4 / 3; box-shadow: none; border-width: 0 0 1px; border-radius: 8px 8px 0 0; }
.product-card .body { padding: 18px; }
.tagline {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.tagline span {
  padding: 4px 8px;
  border-radius: 999px;
  color: var(--brown);
  background: rgba(181, 138, 58, .13);
  font-size: 12px;
  font-weight: 800;
}
.product-card dl {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
}
.product-card dt {
  float: left;
  margin-right: 6px;
  color: var(--brown);
  font-weight: 800;
}
.product-card dd {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.product-card .link {
  display: inline-flex;
  margin-top: 16px;
  color: var(--red);
  font-weight: 800;
}
.article-card .link {
  display: inline-flex;
  margin-top: 14px;
  color: var(--red);
  font-weight: 800;
}
.scene-card {
  min-height: 100%;
}
.scene-card .body {
  display: grid;
  align-content: start;
  min-height: 100%;
}

.quote {
  margin-top: 24px;
  padding: 22px;
  border-left: 4px solid var(--gold);
  color: var(--brown);
  background: rgba(181, 138, 58, .1);
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1.75;
}

.info-list {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}
.info-row {
  display: grid;
  grid-template-columns: 126px 1fr;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.info-row span { color: var(--muted); }

.table {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
}
.table-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1.2fr;
  border-top: 1px solid var(--line);
}
.table-row:first-child {
  border-top: 0;
  color: var(--brown);
  background: rgba(181, 138, 58, .12);
  font-weight: 800;
}
.table-row span {
  padding: 13px 14px;
  border-left: 1px solid var(--line);
}
.table-row span:first-child { border-left: 0; }

.placeholder {
  min-height: 260px;
  display: grid;
  place-items: center;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--brown);
  text-align: center;
  background:
    linear-gradient(135deg, rgba(181, 138, 58, .16), transparent 44%),
    linear-gradient(160deg, rgba(82, 97, 113, .12), transparent 62%),
    #f6f0e5;
  box-shadow: var(--shadow);
}
.placeholder b {
  display: block;
  font-family: var(--serif);
  font-size: 22px;
}
.placeholder span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.map-card {
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 10px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--brown);
  background:
    linear-gradient(135deg, rgba(181, 138, 58, .2), transparent 40%),
    linear-gradient(165deg, rgba(82, 97, 113, .16), transparent 68%),
    #f4ede1;
  box-shadow: var(--shadow);
}
.map-card::before {
  content: "MAP";
  align-self: flex-start;
  padding: 4px 9px;
  border: 1px solid rgba(181, 138, 58, .38);
  border-radius: 999px;
  color: var(--red);
  background: rgba(255, 253, 248, .76);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .16em;
}
.map-card b {
  margin-top: auto;
  font-family: var(--serif);
  font-size: 26px;
}
.map-card span,
.map-card small {
  color: var(--muted);
}
.map-card a {
  width: fit-content;
  margin-top: 8px;
  padding: 10px 14px;
  border-radius: 8px;
  color: #fff9ec;
  background: var(--brown);
  font-weight: 800;
}

.faq-list {
  display: grid;
  gap: 12px;
}
.faq-card h3 {
  font-family: var(--sans);
  font-size: 17px;
}

.subnav {
  position: sticky;
  top: 118px;
  z-index: 30;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px max(14px, calc((100% - var(--wrap)) / 2));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(252, 250, 245, .94);
  backdrop-filter: blur(12px);
  scrollbar-width: none;
}
.subnav::-webkit-scrollbar { display: none; }
.subnav a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--brown);
  background: rgba(255, 253, 248, .82);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}
.hero-points span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--brown);
  background: rgba(181, 138, 58, .12);
  font-size: 13px;
  font-weight: 800;
}

.scene-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.scene-card {
  overflow: hidden;
  display: grid;
  grid-template-columns: 150px 1fr;
  min-height: 150px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  box-shadow: 0 10px 32px rgba(48, 32, 20, .045);
}
.scene-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #efe6d6;
}
.scene-card .body {
  padding: 16px;
}
.scene-card p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.main-product {
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .9fr);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
  box-shadow: var(--shadow);
}
.featured-products {
  display: grid;
  gap: 18px;
}
.product-detail-gallery {
  margin-top: 18px;
}
.product-detail-gallery figure {
  aspect-ratio: 3 / 5;
  background: #f8f3ea;
}
.main-product figure {
  margin: 0;
  min-height: 320px;
  background: #efe6d6;
}
.main-product figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.main-product .body {
  padding: 24px;
}
.spec-grid {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}
.spec-grid span {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: rgba(181, 138, 58, .09);
  font-size: 14px;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.method-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--card);
}
.method-card ol {
  margin: 12px 0 0;
  padding-left: 1.25em;
  color: var(--muted);
}
.method-card li + li { margin-top: 6px; }

.contact-band {
  color: #fff9ec;
  background:
    linear-gradient(135deg, rgba(152, 56, 47, .24), transparent 46%),
    #241712;
}
.contact-grid {
  grid-template-columns: minmax(0, 1fr) 260px;
}
.qr {
  padding: 16px;
  border: 1px solid rgba(255, 249, 236, .18);
  border-radius: 8px;
  background: rgba(255, 255, 255, .08);
}
.qr img {
  width: 100%;
  border-radius: 6px;
  background: #fff;
}

.compliance {
  padding: 22px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: rgba(255, 253, 248, .72);
  font-size: 13px;
}
.simple-end {
  padding: 42px 0;
  border-top: 1px solid var(--line);
}
.simple-end .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.site-footer {
  padding: 44px 0;
  color: rgba(255, 249, 236, .76);
  background: #1c120e;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
  gap: 34px;
}
.footer-grid h2 {
  color: #fff9ec;
  font-size: 26px;
}
.footer-grid p { margin-top: 12px; }
.footer-map-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.footer-map-links a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 249, 236, .24);
  border-radius: 8px;
  color: #fff9ec;
  font-weight: 800;
}

.sticky-consult {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  padding: 10px 14px;
  border-top: 1px solid rgba(255, 249, 236, .18);
  background: rgba(36, 23, 18, .94);
  backdrop-filter: blur(12px);
}
.sticky-consult .inner {
  width: min(100%, 480px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.sticky-consult a {
  min-height: 44px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #fff9ec;
  background: var(--red);
  font-weight: 800;
}
.sticky-consult a.secondary {
  color: #241712;
  background: #f3dfaa;
}

.catalog-page {
  background:
    linear-gradient(180deg, rgba(255, 253, 248, .92), rgba(242, 236, 226, .84)),
    var(--paper);
}
.catalog-wrap {
  width: min(100% - 28px, 760px);
  margin: 0 auto;
}
.catalog-hero {
  padding: 36px 0 22px;
}
.catalog-hero h1 {
  max-width: 11em;
  color: #173f32;
  font-size: clamp(32px, 8vw, 52px);
}
.catalog-hero p {
  max-width: 640px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 16px;
}
.catalog-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin-top: 18px;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.catalog-tabs::-webkit-scrollbar { display: none; }
.catalog-tabs a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #173f32;
  background: rgba(255, 253, 248, .86);
  font-size: 13px;
  font-weight: 800;
}
.catalog-list {
  width: min(100% - 28px, 760px);
  margin: 0 auto;
  display: grid;
  gap: 18px;
  padding: 12px 0 42px;
}
.catalog-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf8;
  box-shadow: 0 16px 42px rgba(48, 32, 20, .08);
}
.catalog-card[id] { scroll-margin-top: 128px; }
.catalog-card figure {
  margin: 0;
  background: #efe6d6;
}
.catalog-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.catalog-body {
  padding: 18px;
}
.catalog-kicker {
  display: block;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
}
.catalog-body h2 {
  margin-top: 4px;
  color: #173f32;
  font-family: var(--sans);
  font-size: clamp(26px, 7vw, 34px);
  font-weight: 900;
  line-height: 1.16;
}
.catalog-subtitle {
  margin-top: 4px;
  color: #173f32;
  font-size: 18px;
  font-weight: 900;
}
.catalog-price {
  margin-top: 16px;
  color: var(--red);
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
}
.catalog-price::before {
  content: "售价 ";
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}
.catalog-specs {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
}
.catalog-specs div {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(23, 63, 50, .16);
  border-radius: 8px;
  background: rgba(83, 101, 69, .08);
}
.catalog-specs dt,
.catalog-specs dd {
  margin: 0;
}
.catalog-specs dt {
  color: #173f32;
  font-weight: 900;
}
.catalog-specs dd {
  color: var(--brown);
  font-weight: 800;
}
.catalog-body > p:last-child {
  margin-top: 16px;
  color: #4e4439;
  font-size: 16px;
}
.catalog-note {
  padding: 42px 0 58px;
  color: #fff9ec;
  background: #173f32;
}
.catalog-note h2 {
  font-size: clamp(26px, 6vw, 38px);
}
.catalog-note p {
  max-width: 620px;
  margin-top: 12px;
  color: rgba(255, 249, 236, .78);
}

@media (max-width: 980px) {
  .nav {
    min-height: 86px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 10px 0;
  }
  .nav-links {
    width: 100%;
    justify-content: flex-start;
    padding-bottom: 2px;
  }
  .hero-grid,
  .page-hero-grid,
  .two-col,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero { min-height: auto; }
  .hero-media { min-height: 360px; }
  .trust-row { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .knowledge-grid { grid-template-columns: repeat(2, 1fr); }
  .compare-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-list,
  .main-product,
  .method-grid {
    grid-template-columns: 1fr;
  }
  .subnav { top: 118px; padding-left: 14px; padding-right: 14px; }
}

@media (max-width: 640px) {
  body { padding-bottom: 76px; }
  .wrap { width: min(100% - 28px, var(--wrap)); }
  .section { padding: 58px 0; }
  .hero { padding: 34px 0 54px; }
  .brand { min-width: 0; }
  .brand img { width: 78px; }
  .brand-home-logo img {
    width: auto;
    height: 34px;
  }
  .product-jump { top: 115px; }
  .subnav { top: 168px; }
  .section[id] { scroll-margin-top: 220px; }
  .brand-title b { font-size: 16px; }
  .hero-media { min-height: 280px; }
  .section-head,
  .simple-end .wrap {
    display: block;
  }
  .section-head p { margin-top: 12px; }
  .trust-row,
  .mini-grid,
  .product-grid,
  .knowledge-grid,
  .gallery,
  .compare-grid {
    grid-template-columns: 1fr;
  }
  .info-row { grid-template-columns: 1fr; gap: 4px; }
  .table-row { grid-template-columns: 1fr; }
  .table-row span {
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .table-row span:first-child { border-top: 0; }
  .sticky-consult .inner { grid-template-columns: 1fr 1fr; }
  .scene-card { grid-template-columns: 1fr; }
  .scene-card img { aspect-ratio: 16 / 9; }
  .catalog-hero { padding-top: 28px; }
  .catalog-card[id] { scroll-margin-top: 104px; }
  .catalog-body { padding: 16px; }
  .catalog-specs div {
    grid-template-columns: 66px 1fr;
    gap: 8px;
  }
}